https://gcc.gnu.org/bugzilla/show_bug.cgi?id=53947 Bug 53947 depends on bug 53533, which changed state.
Bug 53533 Summary: [12/13/14/15 regression] vectorization causes loop unrolling test slowdown as measured by Adobe's C++Benchmark https://gcc.gnu.org/bugzilla/show_bug.cgi?id=53533 What |Removed |Added ---------------------------------------------------------------------------- Status|NEW |RESOLVED Resolution|--- |FIXED